Quick answer: Save less frequently by batching changes, write asynchronously, and only save when meaningful state has changed rather than on every event.
Saving too frequently is over-eager synchronous writes. Batching and async fix it. Here is how.
How to fix it
1. Save only on meaningful change
Autosave when meaningful state changes (a level done, an item gained), not on every small event. Saving constantly causes repeated hitches and disk wear for changes that did not need persisting immediately.
2. Batch changes
Accumulate changes and save them together at a sensible interval or moment, rather than writing on each one. Batching reduces the number of writes and the hitches they cause.
3. Write asynchronously
Do the save serialization and disk write on a background thread so it does not block the frame. Even necessary saves should not hitch the game; async writing keeps them invisible.
Catching the ones you can't reproduce
The hardest version of this to fix is the one you can't reproduce — it only happens on a player's hardware, OS, driver, or save state, under conditions that simply aren't present on your machine. A report that says “it crashed” or “it froze” gives you nothing to act on, so the bug survives release after release while quietly costing you players.
Automatic error capture closes that gap. Each failure arrives with its full stack trace, the device and OS, the build number, and a breadcrumb trail of what the player did right before it broke, so even a failure you have never seen becomes a specific, reproducible issue. Fold identical failures into one signature ranked by how many players each hits, and your worklist sorts itself worst-first instead of arriving as a stream of vague complaints.
This is where a tool like Bugnet earns its place. Its SDK captures every error automatically with the full stack trace plus device, OS, memory, build, and game-state context, folds duplicates into one grouped issue with an occurrence count, and ties each to the build it first appeared on — so you fix the problem that hurts the most players first and confirm it is gone when its signature disappears from the next release.
Most of the time the fix is small. Seeing the failure clearly is the part that actually costs you.